List of the Paleozoic life of Missouri

• †Abludoglyptocrinus • †Acambona • †Acambona prima • †Acanthocrania • †Acanthocrania spiculata • †Acanthoparypha • †Acanthoparypha subcircularis • †Acanthospirina • †Acanthospirina aciculifera • †Achatella • †Achatella katharina • †Achistrum • †Achistrum coloculum • †Achistrum gamma • †Achistrum monochordata • †Acidiphorus – tentative report • †Acolocrinus • †Acutimitoceras – tentative report • †Aganides • †Aganides compressus • †Alethopteris'' • †Alethopteris davreuxi • †Alethopteris decurrens • †Alethopteris grandini • †Alethopteris serli • †Alethopteris serlii • †Alethopteris valida • †Allagecrinus • †Allagecrinus americanus • †Allagecrinus rowleyi – type locality for species • †Allanella • †Allanella annae • †Allorhynchus – tentative report • †Allorhynchus curriei • †Allorhynchus currieri • †Allorhynchus louisianensis • †Amaurotoma • †Amaurotoma subsinuata • †Amblymylacris • †Amblymylacris clintoniana – type locality for species • †Amblymylacris harei – type locality for species • †Ambocoelia • †Ambocoelia louisianensis – type locality for species • †Ambocoelia minuta • †Ameropiltonia – type locality for genus • †Ameropiltonia lauradanae – type locality for species • †Amphilichas • †Amphilichas antiquarius • †Amphilichas aspratilis • †Amphilichas cucullus • †Amphilichas subdisjunctus • †Amphipsalidocrinus • †Amphiscapha • †Amphiscapha catilloides • †Amphiscapha reedsi – type locality for species • †Amphiscapha subrugosa • †Ananias • †Ananias nodocostatus – type locality for species • †Ananias welleri – tentative report • †Anapiculatisporites • †Anapiculatisporites grundensis • †Anarkemina • †Anarkemina winsdoriensis – type locality for species • †Anazyga • †Anazyga recurvirostra • †Anchicrinus • †Anematina • †Anematina minutissimus – type locality for species • †Annularia'' • †Annularia acicularis • †Annularia galioides • †Annularia sphenophylloides • †Annularia stellata • †Annuliconcha • †Annuliconcha interlineata • †Anomphalus • †Anomphalus umbilicatus – type locality for species • †Anthracoceras • †Anthracoceras missouriense – type locality for species • †Anthraconeilo – tentative report • †Anthraconeilo taffiana • †Anthracospirifer • †Anthracospirifer occiduus • †Antiquatonia • †Antiquatonia coloradoensis • †Antiquatonia portlockianus • being preyed upon by a Cameroceras †Aphetoceras'' • †Aphetoceras subcostulatum • †Aphlebia • †Apiculatasporites • †Apiculatasporites latigranifer • †Apiculatasporites setulosus • †Apiculatasporites variusetosus • †Araeonema – type locality for genus • †Araeonema virgatum – type locality for species • †Archaeocrinus • †Archeoconus – type locality for genus • †Archeoconus missourensis – type locality for species • †Archeognathus – type locality for genus • †Archeognathus carinatus – type locality for species • †Archeognathus primus – type locality for species • †Archinacella • †Archinacella patelliformis • †Artisia • †Artisia transversa • †Asolanus • †Asolanus camptotaenia • †Aspidiaria • †Astartella • †Astartella compacta • †Astartella concentrica • †Asterophyllites • †Asterophyllites equisetiformis • †Asterotheca • †Astraeospongium • †Astrocystites • †Athyris • †Athyris bradyensis – or unidentified comparable form • †Athyris cora • †Athyris fultonensis • †Athyris hannibalensis • †Athyris lamellosa • †Athyris vittata • †Atribonium • †Atribonium gregari • †Atribonium swallovi • †Atrypina • †Atrypina saffordi – or unidentified comparable form • †Aulochiton – type locality for genus • †Aulochiton sannerae – type locality for species • †Avaoceras • †Avaoceras elongatum • †Avaoceras longidomum • †Avaoceras magnisiphonatum • †Aviculopecten'' • †Aviculopecten gradicosta • †Aviculopecten marbuti • †Avonia • †Avonia linospinosa • †Axiodeaneia • †Axiodeaneia glenparkensis ==B==

• †Bactrites • †Bathyurus • †Bathyurus missouriensis – type locality for species • †Bathyurus spiniger • †Beecheria • †Beecheria burlingtonensis • †Beecheria paraplicata • †Bellerophon'' • †Bellerophon blairi – type locality for species • †Bellerophon graphicus • †Bellerophon jeffersonensis – type locality for species • †Bellerophon planodorsatum – type locality for species • †Bellerophon sedaliensis – type locality for species • †Bellerophon ulrichi – type locality for species • †Belodina • †Belodina compressa • †Bembexia • †Bembexia minima • †Besselodus • †Besselodus variabilis • †Beyrichoceras • †Beyrichoceras hornerae – type locality for species • †Biloboconus – type locality for genus • †Biloboconus frizzelli – type locality for species • †Biparetis – type locality for genus • †Biparetis paucirugosus – type locality for species • †Bipulvina – type locality for genus • †Bipulvina croftsae – type locality for species • †Bisatoceras • †Bisatoceras greenei – type locality for species • †Blattinopsis – type locality for genus • †Blattinopsis laqueata – type locality for species • †Blountia • †Bolbocephalus • †Bolbocephalus sainteclairi – or unidentified related form • †Bolbocephalus stclairi – or unidentified related form • †Botryocrinus • †Bouskacrinus • †Bouskacrinus laudoni • †Brachymetopus • †Brachymetopus spinosiformis – type locality for species • †Brachythyris • †Brachythyris chouteauensis • †Brevilamnulella • †Brevilamnulella thebesensis • †Breviphillipsia • †Breviphillipsia sampsoni • †Breviphillipsia semiteretis • †Breviphillipsia swallowi • †Bridgeites • †Bridgeites planidorsalis – type locality for species • †Bridgeites supraconvexa – type locality for species • †Brittsia • †Brittsia problematica • †Bryantodus • †Bryantodus cameratus – type locality for species • †Bryantodus delicatus – type locality for species • †Bryantodus rugosus – type locality for species • †Bryantodus strigatus – type locality for species • †Bryantodus strigillatus – type locality for species • †Bucania • †Bucania batchtownensis • †Bucania halli • †Bumastoides • †Bumastoides billingsi • †Bumastus'' • †Bumastus rowleyi • †Bumastus trentonensis • †Burnetiella • †Burnetiella alta • †Burnetiella exilis • †Buttsia • †Buttsia drabensis • †Bynumina • †Bynumina caelata • †Bynumina lirae – type locality for species ==C==

• †Cadiospora • †Cadiospora magna • †Caenanoplia • †Caenanoplia burlingtonensis • †Caenanoplia logani – or unidentified related form • †Calamites'' • †Calamites carinatus • †Calamites cistii • †Calamites cruciatus • †Calamites ramosus artis • †Calamites suckowii • †Calamospora • †Calamospora breviradiata • †Calamospora hartungiana • †Calamospora straminea • †Calamostachys • †Calamostachys paniculata • †Calamostachys tuberculata • †Callispira • †Callispira quinquecostata – or unidentified comparable form • †Calocephalites • †Calocephalites minimus – type locality for species • †Calocephalites vularis – type locality for species • †Calocephalites vulgaris – type locality for species • †Calvinella • †Calvinella ozarkensis • †Calvinella type locality for species – informal • †Calyptaulax • †Calyptaulax callicephala • †Camaraspis • †Camaraspis convexa • †Camarophorella • †Camarophorella buckleyi • †Camarotoechia • †Camarotoechia depressa • †Camarotoechia dotis • †Camarotoechia elegantula • †Camarotoechia gregeri • †Camarotoechia horsfordi • †Camarotoechia tuta • †Cambrioconus – type locality for genus • †Cambrioconus expansus – type locality for species • †Campbelloceras • †Campbelloceras overmani – type locality for species • †Carabocrinus • †Cardiocarpus • †Cardiocarpus crassus • †Cardiocarpus latealatum • †Cardiocarpus ovalis • †Cardiomorpha • †Cardiomorpha missouriensis • †Cardiothyris • †Cardiothyris pristina • †Carinaropsis • †Carinaropsis cymbula • †Carinaropsis minima • †Caryocrinites • †Cataschisma – type locality for genus • †Cataschisma latiangularis – type locality for species • †Cataschisma typa – type locality for species • †Cavusgnathus'' • †Cavusgnathus gigantus – type locality for species • †Cavusgnathus lautus – type locality for species • †Cavusgnathus missouriensis – type locality for species • †Centronelloidea • †Centronelloidea rowleyi • †Ceratoleperditia • †Ceratoleperditia type locality for species – informal • †Ceratopea • †Ceratopea buttsi • †Ceratopea depressa • †Ceratopea grandis • †Ceratopea hami • †Ceratopea inflata – type locality for species • †Ceratopea sculpta – type locality for species • †Ceratopea unguis • †Ceratopea wisei – type locality for species • †Ceraunocochlis – type locality for genus • †Ceraunocochlis blatta – type locality for species • †Ceraunocochlis fulminula – type locality for species • †Ceraurus'' • †Ceraurus globulobatus • †Ceraurus pleurexanthemus • †Chaenomya – tentative report • †Chaenomya leavenworthensis • †Cheilocephalus • †Chelodes • †Chelodes cooperi • †Chelodes depressus • †Chonetella • †Chonetella flemingi • †Chonetes • †Chonetes decipiens • †Chonetes euampygus • †Chonetes geniculatus • †Chonetes lioderma • †Chonetes mesoloba • †Chonetes ornatus • †Chonetinella • †Chonetinella flemingi • †Cirratriradites • †Cirratriradites annuliformis • †Clarkoceras • †Clathrospira • †Clathrospira subconica • †Clathrospira virguncula – type locality for species • †Clavallus • †Clavallus spicaudina • †Cleiothyridina'' • †Cleiothyridina incrassata • †Cleiothyridina obmaxima • †Cleiothyridina orbicularis • †Cleiothyridina tenuilineata • †Cleiothyris • †Cliffia • †Cliffia lataeganae • †Cliffia lataegenae • †Cliffia wilsoni • †Cliftonia • †Cliftonia tubulistriata • †Clinopistha • †Clinopistha radiata • †Clycopteris • †Coenocystis • †Coenocystis moreyi – type locality for species • †Coledium • †Coledium bisinuata • †Colpites • †Colpites minutus • †Colpites monilifera • †Comanchia • †Comanchia amplooculata • †Composita'' • †Composita elongata • †Composita ovata • †Composita pikensis – type locality for species • †Composita subtilita • †Composita tetralobata • †Conaspis • †Conaspis perseus – or unidentified comparable form • †Condrathyris • †Condrathyris perplexa • †Conocardium • †Conocardium formosum – type locality for species • †Conocardium spinalatum – type locality for species • †Conodia – type locality for genus • †Conodia acuminata – type locality for species • †Conodia levicosta – type locality for species • †Conopoterium • †Conopoterium effusum • †Conularia • †Conularia marionensis • †Conularia trentonensis • †Convolutispora • †Cooleyella • †Cooleyella cuspidata – type locality for species • †Cooleyella peculiaris – type locality for species • †Cooleyella quadrilobata – type locality for species • †Cooleyella spatulata – type locality for species • †Coolinia • †Coolinia convexa • †Cooperella – type locality for genus • †Cooperella eroda – type locality for species • †Cooperella rectistriata – type locality for species • †Cooperella selluliformis – type locality for species • †Cooperella striatula – type locality for species • †Cooperella subsulcata – type locality for species • †Cooperella typicalis – type locality for species • †Cordaianthus • †Cordaicarpus • †Cordaicarpus lineatus • †Cordaites • †Cordaites communis • †Cordaites costatus – or unidentified comparable form • †Cordaites crassinervis • †Cordaites principalis • †Cordylocrinus – report made of unidentified related form or using admittedly obsolete nomenclature • †Cordylocrinus dubius • †Cornuella – type locality for genus • †Cornuella parva – type locality for species • †Cornulites'' • †Cornulites carbonarius • †Cranaena • †Cranaena calvini • †Cranaena decepta • †Cranaena elia • †Cranaena globosa • †Cranaena hannibalensis – or unidentified related form • †Cranaena iowensis – or unidentified comparable form • †Cranaena littletonenesis • †Cranaena romingeri • †Cranaena subglobosa • †Cranaena subovata • †Crania • †Crania dodgei • †Crania rowleyi • †Crassispora • †Crassispora kosankei • †Cremacrinus • †Crepipora • †Crepipora globulifera – type locality for species • †Crurithyris • †Crurithyris laevicula • †Crurithyris planoconvexa • †Cryptothyrella • †Cryptothyrella ovoides • †Ctenodonta • †Ctenodonta auburnensis – type locality for species • †Ctenodonta concinna • †Ctenodonta costata – type locality for species • †Ctenodonta medialis • †Ctenodonta nasuta • †Ctenodonta oviformis • †Cupularostrum • †Cupularostrum annae • †Cupularostrum contracta • †Cupularostrum gregeri • †Cupularostrum omaliusi • †Curtognathus • †Cyathocystis • †Cyclogranisporites • †Cyclogranisporites aureus • †Cyclogranisporites microgranus • †Cyclogranisporites minutus • †Cyclogranisporites obliquus • †Cyclogranisporites orbicularis • †Cyclonema • †Cyclonema fasciata • †Cyclonema intermedium – type locality for species • †Cyclonema textilis • †Cycloplectoceras • †Cycloplectoceras funatum • †Cyclopteris'' • †Cyclopteris fimbriata • †Cyclopteris trichomanoides • †Cyclozyga – type locality for genus • †Cyclozyga carinata – type locality for species • †Cyclozyga mirabilis – type locality for species • †Cymatonota – tentative report • †Cymatospira • †Cymatospira montfortianus • †Cyphaspis • †Cyphaspis globosus • †Cypricardella • †Cypricardella bellistriata • †Cypricardella gregaria • †Cyrtina • †Cyrtina acutirostris • †Cyrtina burlingtonensis • †Cyrtina triquetra • †Cyrtina umbonata • †Cyrtinia • †Cyrtinia acutirostris • †Cyrtoceras'' • †Cyrtocerina • †Cyrtocerina foerstei – type locality for species • †Cyrtocerina kimmswickense – type locality for species • †Cyrtodonta • †Cyrtodonta blllingsi • †Cyrtodonta huronensis • †Cyrtodonta sulcata • †Cyrtolites • †Cyrtolites retrorsus • †Cyrtostropha • †Cyrtostropha salteri – type locality for species ==D==

• †Dalejina • †Dalmanella • †Dalmanella edgewoodensis • †Dalmanella testudinaria • †Dalmanites'' • †Deadwoodia • †Deadwoodia panope • †Deckera • †Deckera aldenensis – or unidentified comparable form • †Deckera aldeuensis – or unidentified comparable form • †Della • †Della suada • †Dellea • †Dellea saratogensis • †Dellea snada • †Dellea suada • †Delthyris • †Delthyris clarksvillensis • †Deltoidospora • †Deltoidospora grandis • †Deltoidospora levis • †Deltoidospora priddyi • †Deltoidospora subadnatoides • †Densosporites • †Densosporites triangularis • †Derbyia • †Derbyia crassa • †Desmacriocrinus – tentative report • †Desmoinesia • †Desmoinesia muricatina • †Desmoinesia nana • †Desquamatia • †Desquamatia independensis • †Diaphoroceras • †Diaphoroceras avaense • †Diaphoroceras buffaloense • †Diceromyonia – tentative report • †Diceromyonia sera • †Dichostreblocrinus • †Dichostreblocrinus minutus – type locality for species • †Dicoelosia • †Dicoelosia oklahomensis – or unidentified comparable form • †Dictyoclostus • †Dictyoclostus gallatinensis • †Dictyoclostus hermosanus • †Dictyopteris • †Dictyopteris squarrosa • †Dielasma • †Dielasma bovidens • †Dielasmella • †Dielasmella compressa • †Dimeropyge • †Dimeropyge tumidus • †Dimorphoceras • †Dimorphoceras politum • †Dinichthys'' • †Diparelasma • †Diparelasma extensum – or unidentified comparable form • †Diparelasma type locality for species – informal • †Diplododella • †Diplothmema • †Diplothmema furcatum • †Diplothmema geniculatum • †Diplothmema obtusiloba • †Dokimocephalus • †Dolerorthis • †Dolerorthis savagei • †Dolichoharpes • †Dolichoharpes uniserialis • †Domatoceras • †Donaldiella • †Donaldiella cicelia • †Donaldina • †Donaldina robusta • †Donaldina stevensana • †Dorycordaites'' • †Dorycordaites palmaeformis • †Dorycrinus • †Dorycrinus gouldi • †Dorycrinus mississippiensis • †Drabia • †Drabia acroccipita • †Drabia curtoccipita • †Drepanoistodus • †Drepanoistodus suberectus ==E==

• †Earlandia • †Echinopustulus – type locality for genus • †Echinopustulus samuelnelsoni – type locality for species • †Echinosphaerites'' • †Echinosphaerites aurantium • †Ectogrammysia • †Ectogrammysia hannibalensis • †Ectomaria • †Ectomaria adventa • †Edithiella • †Edithiella missouriensis – type locality for species • †Edmondia • †Edmondia aspinwallensis • †Edmondia ovata • †Elita • †Elita subundifera • †Ellesmeroceras • †Ellesmeroceras higdonense • †Elliptophillipsia • †Elliptophillipsia ellipticus • †Elliptophillipsia rotundus – type locality for species • †Elvinia • †Elvinia roemeri • †Elyaspis • †Elyaspis missouriensis – type locality for species • †Emphereaster • †Emphereaster missouriensis • †Endocycloceras • †Endocycloceras subcurvatum • †Endosporites • †Endosporites globiformis • †Eobronteus • †Eobronteus slocomi • Eocaudina • †Eocaudina mccormacki • †Eocaudina subhexagona • †Eochonetes • †Eochonetes johnsonella – type locality for species • †Eodictyonella (formerly Dictyonella) • †Eodictyonella gibbosa • †Eohalysiocrinus • †Eoleperditia – tentative report • †Eolissochonetes • †Eolissochonetes bilobatus • †Eolissochonetes laevis • †Eomonorachus • †Eomonorachus intermedius • †Eoprodromites • †Eoprodromites kinderhooki • †Eopteria • †Eopteria richardsoni • †Eoptychia – tentative report • †Eoptychia intermittens • †Eoschizodus – tentative report • †Eoschizodus chemungensis • †Eospirifer • †Eospirigerina • †Eospirigerina putilla • †Eosyringothyris • †Eosyringothyris aspera • †Eosyringothyris occidentalis • †Eosyringothyris triangularis • †Eotomaria • †Eotomaria dryope • †Eperisocrinus • †Eperisocrinus missouriensis • †Eremopteris • †Eremopteris bilobata • †Escharopora • †Escharopora patens • †Euchondria – tentative report • †Euchondria pellucida • †Euconia • †Euconia conicus • †Euconia umbilicata • †Eumetria • †Eumetria perstrialis • †Eunema • †Eunema concinnula • †Euomphalus'' • †Euomphalus missouriensis – type locality for species • †Euomphalus pernodosus – tentative report • †Euomphalus umbilicatus • †Euphemites • †Euphemites carbonarius • †Euphemites nodocarinatus • †Euprioniodina • †Eurystomites • †Eurystomites avensis ==F==

• †Fadenia'' • †Fadenia gigas – type locality for species • †Fandasterias • †Fasciculiconcha • †Fasciculiconcha knighti – tentative report • †Favosites • †Fenestrellina • †Finkelnburgia • †Finkelnburgia missouriensis • †Fistulipora • †Fistulipora zonata • †Flexicalymene'' • †Flexicalymene senaria • †Florinites • †Florinites mediapudens • †Florinites visendus • †Florinites volans • †Fortscottella • †Fortscottella gemmicula – type locality for species • †Fusispira • †Fusispira obesus ==G==

• †Gacina • †Gacina emaciata • †Gamizyga • †Gamizyga corpulentissima – type locality for species • †Gamizyga expansa – type locality for species • †Gamizyga nitida – type locality for species • †Gasconadeoconus • †Gasconadeoconus ponderosa – type locality for species • †Gasconadeoconus waynesvillensis – type locality for species • †Gasconadia • †Gasconadia putilla • †Gayneoconus – type locality for genus • †Gayneoconus echolsi – type locality for species • †Geniculifera • †Geniculifera pustulifera • †Gervillia'' • †Gervillia longa • †Girtycoelia • †Girtyspira • †Girtyspira minuta • †Glabrocingulum • †Glabrocingulum grayvillense • †Glaphyrites • †Glaphyrites moorei – type locality for species • †Glaphyrites welleri • †Globacrocrinus • †Globacrocrinus centronodus – type locality for species • †Globodoma • †Globodoma spironema • †Glossina • †Glossina lineolata • †Glyptocystella • †Glyptorthis • †Glyptorthis alta – type locality for species • †Gnathodus • †Gnathodus typicus • †Gondolella • †Gondolella lingulata – type locality for species • †Gondolella merrilli – type locality for species • †Gondolella sinuata – type locality for species • †Gondolella sublanceolata – type locality for species • †Goniasma • †Goniasma lasallense • †Goniocyclus • †Goniocyclus hannibalensis – type locality for species • †Gonioloboceratoides • †Gonioloboceratoides eliasi – type locality for species • †Goniophora • †Goniophora carinata • †Gosseletina • †Gosseletina persimplex • †Gosseletina pratteni – tentative report • †Grammysia • †Grammysia elliptica • †Granulatisporites • †Granulatisporites adnatoides • †Granulatisporites minutus • †Granulatisporites pallidus • †Griffithidella • †Grypocrinus • †Gryptochiton – tentative report • †Gryptochiton anomalus • †Gunnellodus – type locality for genus • †Gunnellodus bellistriatus – type locality for species • †Gypidula • †Gypidula marionensis • †Gypidula mineolaensis ==H==

• †Hadrorhynchia • †Hadrorhynchia solon • †Hagnocrinus • †Hagnocrinus bainbridgensis – type locality for species • †Hagnocrinus balli – type locality for species • †Halysites'' • †Hamburgia • †Hamburgia typa • †Helcionopsis • †Helicotoma • †Helicotoma missouriensis – type locality for species • †Helicotoma planulata • †Helicotoma tennesseensis • †Helminthozyga – type locality for genus • †Helminthozyga vermiculus – type locality for species • †Hemiarges • †Hemiarges bartoni • †Hemiarges leviculus • †Hemimylacris • †Hemimylacris clintoniana – type locality for species • †Hemithecella – type locality for genus • †Hemithecella abrupta • †Hemithecella eminensis – type locality for species • †Hemithecella expansa • †Hemithecella quinquelites – type locality for species • †Hemizgya • †Hemizgya filicosta – type locality for species • †Hemizyga • †Hemizyga corbis – type locality for species • †Hemizyga elegans • †Hemizyga illineata – type locality for species • †Hemizyga inflata – type locality for species • †Hesperorthis • †Hesperorthis tricenaria • †Heteralosia • †Heteralosia beecheri • †Hibbardella • †Hindia • †Hindia parva – tentative report • †Hirnantia • †Hirnantia noixella – type locality for species • †Hirneacrinus • †Hiscobeccus – tentative report • †Hiscobeccus capax • †Holcospermum • †Holia – type locality for genus • †Holia magnaspina – type locality for species • †Holmesella • †Holmesella elongata – type locality for species • †Holmesella equilaterata – type locality for species • †Holmesella ornata – type locality for species • †Holmesella parallelata – type locality for species • †Holmesella parallella – type locality for species • †Holmesella rhomboidelis – type locality for species • †Holmesella speni – type locality for species • †Holopea'' • †Holopea insignis • †Holopea missouriensis – type locality for species • †Homocrinus • †Homoeospira • †Homoeospira fiscellostriata • †Homotelus • †Homotelus laeviurus • †Hormotoma • †Hormotoma anna • †Hormotoma artemesia • †Hormotoma confusa • †Hormotoma cotterensis – type locality for species • †Hormotoma dubia • †Hormotoma gracilis • †Hormotoma lutiensis – type locality for species • †Housia • †Housia ovata • †Hustedia • †Hustedia mormoni • †Hustedia pygmaea • †Hybocrinus • †Hybocrinus conicus • †Hyolithes'' • †Hyolithes multicinctus • †Hypeloconus • †Hypeloconus recurvus • †Hyphantozyga • †Hyphantozyga gracilis – type locality for species • †Hypseloconus • †Hypseloconus bessemerense • †Hypseloconus bonneterrense – type locality for species • †Hypseloconus compressus • †Hypseloconus ozarkensis • †Hypseloconus recurvus • †Hypseloconus type locality for species – informal • †Hystriculina • †Hystricurus • †Hystricurus deflectus – type locality for species • †Hystricurus elevatus ==I==

• †Ianthinopsis • †Ianthinopsis medialis • †Iddingsia • †Iddingsia missouriensis • †Idiognathodus • †Idiognathodus biconvexus – type locality for species • †Idiognathodus biliratus – type locality for species • †Idiognathodus binodosus – type locality for species • †Idiognathodus cancellosus – type locality for species • †Idiognathodus cariniferus – type locality for species • †Idiognathodus cherryvalensis – type locality for species • †Idiognathodus chiriformis – type locality for species • †Idiognathodus cicatricosus – type locality for species • †Idiognathodus clavatus – type locality for species • †Idiognathodus confragus – type locality for species • †Idiognathodus corrugatus – type locality for species • †Idiognathodus cuneiformis – type locality for species • †Idiognathodus erodus – type locality for species • †Idiognathodus farrelli – type locality for species • †Idiognathodus folium – type locality for species • †Idiognathodus fusiformis – type locality for species • †Idiognathodus fusiformus – type locality for species • †Idiognathodus gemmiformis – type locality for species • †Idiognathodus harkeyi – type locality for species • †Idiognathodus jugosus – type locality for species • †Idiognathodus kansensis – type locality for species • †Idiognathodus lanceolatus – type locality for species • †Idiognathodus liratus – type locality for species • †Idiognathodus lobatus – type locality for species • †Idiognathodus megistus – type locality for species • †Idiognathodus modulatus – type locality for species • †Idiognathodus multinodosus – type locality for species • †Idiognathodus nodostriatus – type locality for species • †Idiognathodus porcatus – type locality for species • †Idiognathodus rotundus – type locality for species • †Idiognathodus rugulatus – type locality for species • †Idiognathodus ruidus – type locality for species • †Idiognathodus semipapulatus – type locality for species • †Idiognathodus siculus – type locality for species • †Idiognathodus simplex – type locality for species • †Idiognathodus spathodus – type locality for species • †Idiognathodus strigillatus – type locality for species • †Idiognathodus sulciferus – type locality for species • †Idiognathodus symmetricus – type locality for species • †Idiognathodus vadosus – type locality for species • †Idiognathodus walteri – type locality for species • †Idiognathodus warei – type locality for species • †Idiognathodus wintersentensis – type locality for species • †Idiognathodus wintersetensis • †Idioprioniodus – type locality for genus • †Idioprioniodus camurus – type locality for species • †Idioprioniodus fumishi • †Idioprioniodus striatus – type locality for species • †Idioprioniodus typus – type locality for species • †Implicaticystis • †Implicaticystis shumardi • †Implicaticystis symmetricus • †Irondalia – type locality for genus • †Irondalia irondalensis – type locality for species • †Irvingella • †Irvingella flohri • †Irvingella major • †Ischyrodonta • †Ischyrodonta dakei – type locality for species • †Isochilina • †Isochilina variana – type locality for species • †Isorthis • †Isorthoceras • †Isorthoceras sociale • . †Isotelus'' • †Isotelus bradleyi – tentative report • †Isotelus gigas • †Isotelus iowensis • †Isotelus kimmswickensis • †Isotelus maximus ==J==

• †Jedria • †Jedria meeki – type locality for species • †Jedria ventrica • †Jeffersonia • †Jeffersonia bridgei – type locality for species ==K==

• †Kallimorphocrinus • †Kallimorphocrinus pristinus – type locality for species • †Kendallina'' • †Kendallina biforota – or unidentified comparable form • †Kewaneesporites • †Kewaneesporites patulus • †Kindbladia • †Kindbladia affinis • †Kirengella • †Kirengella expansus – type locality for species • †Kirengella oregonensis – type locality for species • †Kirengella washingtonense – type locality for species • †Kirkella – type locality for genus • †Kirkella indentata – type locality for species • †Kirkella typicalis – type locality for species • †Knorria • †Kozlowskia • †Kozlowskia haydenensis ==L==

• †Laevigatosporites • †Laevigatosporites desmoinesensis • †Laevigatosporites globosus • †Laevigatosporites medius • †Laevigatosporites ovalis • †Laevigatosporites vulgaris • †Lageniocrinus – tentative report • †Lampadosocrinus • †Lampterocrinus • †Langepis • †Langepis campbelli • †Laphamoceras • †Laphamoceras scofieldi • †Latiendothyra • †Latosporites • †Latosporites minutus • †Leangella • †Lecanospira • †Lecanospira perplana • †Lecanospira soluta – type locality for species • †Leioclema • †Leiorhynchus • †Leiorhynchus rockymontanum • †Lepidocyclus • †Lepidocyclus oblongus – type locality for species • †Lepidocystis • †Lepidocystis fraxiniformis • †Lepidophloios • †Lepidophloios vaningeni • †Lepidophyllum • †Lepidostrobophyllum • †Lepidostrobophyllum jenneyi • †Lepidostrobophyllum missouriense • †Leptaena • †Leptaena aequalis – type locality for species • †Leptaena oklahomensis • †Leptaenisca • †Leptaenisca irregularis – or unidentified comparable form • †Leptagonia • †Leptagonia missouriensis – type locality for species • †Leptalosia • †Leptalosia scintilla • †Leptodesma • †Leptodesma nitida • †Leptodiscus • †Leptodiscus corrugatus • †Leptoskelidion – type locality for genus • †Leptoskelidion septulosum – type locality for species • †Levizygopleura • †Levizygopleura inornata – type locality for species • †Levizygopleura trochus – type locality for species • †Levizygopleura williamsi – type locality for species • †Lichenaria • †Lichenaria typa – tentative report • †Limopteria • †Limopteria subalata • †Lingula'' • †Lingula carbonaria • †Lingula fleenori – type locality for species • †Lingula krugeri – type locality for species • †Lingula louisianensis • †Lingula osagensis • †Linnarsonella • †Linnarsonella girtyi • †Linoproductus • †Linoproductus distortus • †Linoproductus echinatus • †Linoproductus planiventralis • †Linoproductus prattenianus • †Linopteris • †Linopteris gilkersonensis • †Liospira • †Liospira micula • †Liospira obtusa • †Liospira progne • †Liroceras • †Liroceras liratum • †Lissatrypa • †Lissatrypa henryhousensis • †Listrochiton • †Listrochiton productus • †Litocrinus • †Lonchodina • †Lonchodus • †Lonchodus simplex – tentative report • †Lophamplexus • †Lophamplexus ulius • †Lophamplexus westii – type locality for species • †Lophonema – type locality for genus • †Lophonema circumlirata – or unidentified comparable form • †Lophonema peccatonica • †Lophonema taneyensis – type locality for species • †Lophophyllidium – type locality for genus • †Lophophyllidium distortum – type locality for species • †Lophophyllidium hadrum – type locality for species • †Lophospira • †Lophospira obliqua • †Lophospira perangulata • †Lophotriletes • †Lophotriletes commissuralis • †Lophotriletes microsaetosus • †Lorangerella • †Lorangerella parva • †Lycopodites • †Lycospora • †Lycospora granulata • †Lycospora micropapillata • †Lycospora pusilla • †Lyriopecten • †Lyriopecten tricostatus ==M==

• †Macluritella • †Macluritella stantoni • †Macrocrinus • †Macrocrinus mundulus • †Macroscenella – tentative report • †Macroscenella type locality for species – informal • †Magnumbonella – type locality for genus • †Magnumbonella macrura – type locality for species • †Manespira • †Manespira nicolleti • †Marginatia • †Marginatia fernglenensis • †Marginatia magna – type locality for species • †Mariopteris • †Mariopteris dicipiens • †Mariopteris mazoniana • †Mariopteris sphenopteroides • †Mariopteris spiniosa • †Matherella • †Matthevia'' • †Matthevia erecta – type locality for species • †Matthevia walcotti – or unidentified comparable form • †Maximites • †Maximites cherokeensis – type locality for species • †Meekospira • †Meekospira peracuta • †Megaglossoceras • †Megaglossoceras pristinum • †Mendacella – tentative report • †Merista • †Meristella • †Meristella parva • †Meristina • †Meristina ovoides • †Merocanites • †Merocanites drostei – or unidentified comparable form • †Mesoblastus – tentative report • †Mesolobus • †Mesolobus striatus • †Metacoceras'' • †Microantyx • †Microantyx botoni • †Microcyathus • †Microcyathus enormis • †Microdoma • †Microdoma conicum • †Microreticulatisporites • †Microreticulatisporites nobilis • †Microreticulatisporites sulcatus • †Mimospira – tentative report • †Mimospira type locality for species – informal • †Modiolodon • †Modiolodon subrhomboideus – type locality for species • †Modiolopsis • †Modiolopsis convexa – type locality for species • †Modiolopsis expansa – type locality for species • †Monilopora • †Monogonoceras • †Monogonoceras subrectum • †Mooreisporites • †Mooreisporites inusitatus • †Mooreocrinus • †Moreyella – type locality for genus • †Moreyella aviculiformis – type locality for species • †Moreyella trilobata – type locality for species • †Moreyella typicalis – type locality for species • †Mourlonia • †Mourlonia missouriensis – type locality for species • †Muensteroceras • †Muensteroceras pfefferae • †Murchisonia – tentative report • †Murchisonia pygmaea • †Myalina • †Myalina aviculoides • †Myalina lepta – tentative report • †Myelodactylus ==N==

• †Namuropyge • †Namuropyge armata • †Naticopsis'' • †Naticopsis judithae – type locality for species • †Naticopsis marthaae – type locality for species • †Naticopsis paucivolutus – type locality for species • †Naticopsis scintilla – type locality for species • †Naticopsis virgata – type locality for species • †Naticopsis wortheniana – type locality for species • †Natiria • †Natiria americana • †Neochonetes • †Neoprioniodus • †Neospirifer'' • †Neospirifer cameratus • †Neospirifer goreii • †Neospirifer latus • †Neospirifer triplicatus • †Neozaphrentis • †Neozaphrentis acuta • †Neozaphrentis palmeri • †Neozaphrentis parasitica • †Nervostrophia • †Nervostrophia fragilis • †Neuropteris'' • †Neuropteris caudata • †Neuropteris dilatata • †Neuropteris elacerata – type locality for species • †Neuropteris fimbrianta • †Neuropteris flexuosa • †Neuropteris heterophylla • †Neuropteris jenneyi • †Neuropteris missouriensis • †Neuropteris ovata • †Neuropteris rarinervis • †Neuropteris scheuchzeri • †Neuropteris scheuschzeri • †Neuropteris tenuifolia • †Neuropteris trichomanoides – or unidentified comparable form • †Newberria • †Newberria cordiforme • †Newberria missouriensis • †Nucleospira • †Nucleospira minima • †Nucleospira obesa • †Nucleospira raritas • †Nucleospira rowleyi • Nucula'' • †Nucula subrotunda • Nuculana • †Nuculana rowleyi • †Nuculopsis • †Nuculopsis girtyi ==O==

• †Ocnerorthis • †Ocnerorthis monticola • †Octocrinus – type locality for genus • †Octocrinus inconsuetus – type locality for species • †Oklahomacystis • †Oncagnostus • †Oncagnostus tumidosus • †Oneotoceras • †Ophileta • †Ophileta supraplana • †Orbiculoidea • †Orbiculoidea capuliformis • †Orbiculoidea elongata – type locality for species • †Orbiculoidea limata • †Orbiculoidea missouriensis • †Orbinaria • †Orbinaria pyxidata • †Orodus'' • †Orodus intermedius • †Orospira • †Orospira bigranosa • †Orospira conica – type locality for species • †Orospira depressa • †Orospira elegantula – type locality for species • †Orospira elevata – type locality for species • †Orospira gainesvillensis – type locality for species • †Orthoceras • †Orthoceras chemungense – tentative report • †Orthoceras minimum • †Orthoconus – type locality for genus • †Orthoconus striatus – type locality for species • †Orthomyalina • †Orthomyalina subquadrata • †Orthonema • †Orthonema inornatum – type locality for species • †Orthonema marvinwelleri – type locality for species • †Orthonema salteri – type locality for species • †Orthonychia • †Orthonychia jeffersonensis – type locality for species • †Orthonychia parva • †Orthonychia ungula – type locality for species • †Orthospirifer • †Orthospirifer euruteines • †Orthospirifer iowensis • †Orthostrophella • †Orygmaspis'' • †Oulodus • †Ovatia • †Ovatia laevicostatus – or unidentified comparable form • †Owenoceras • †Owenoceras bellilineatum • †Oxynoblatta • †Oxynoblatta americana – type locality for species • †Oxyprora • †Oxyprora missouriensis – type locality for species • †Oxyprora parrishi – type locality for species • †Ozarkoconus – type locality for genus • †Ozarkoconus prearcuatus – type locality for species • †Ozarkodina • †Ozarkplina – type locality for genus • †Ozarkplina meramecensis – type locality for species ==P==

• †Paffrathopsis • †Paffrathopsis nana • †Palaeolima • †Palaeolima retifera • †Palaeoneilo • †Palaeoneilo angusta • †Palaeoneilo constricta • †Palaeoneilo ignota • †Palaeoniscus'' • †Palaeospiroplectammina • †Palaeospiroplectammina parva – or unidentified related form • †Palaeostylus • †Palaeostylus cylindrata – type locality for species • †Palaeostylus marvinwelleri – type locality for species • †Palaeostylus minuta – type locality for species • †Palaeozygopleura • †Palaeozygopleura missouriensis – type locality for species • †Palawospiroplectammina • †Palawospiroplectammina parva – or unidentified related form • †Paleocrinus • †Paleocrinus platybasalis • †Panderodus • †Panderodus gracilis • †Parabolinoides • †Parabolinoides hebe • †Paracyclas • †Paracyclas elliptica • †Paracyclas lirata • †Paracyclas rowleyi • †Paradiabolocrinus • †Paradichocrinus • †Paradichocrinus planus • †Paradycheia – type locality for genus • †Paradycheia dorisae – type locality for species • †Parahousia • †Parahousia constricta • †Parajuresania • †Parajuresania nebrascensis • †Parallelodon • †Parallelodon louisianensis • †Parallelodon obsoletus • †Parallelodon sulcatus • †Parallelodus – type locality for genus • †Parallelodus obliquus – type locality for species • †Parametacoceras • †Parametacoceras bellatulum • †Paraphorhynchus • †Paraphorhynchus striatocostatum • †Paraplethopeltis • †Paraplethopeltis minuta – type locality for species • †Passalocrinus – type locality for genus • †Passalocrinus triangularis – type locality for species • †Patellilabia • †Patellilabia tentoriolum – tentative report • †Paupospira • †Paupospira oweni • †Pecopteris'' • †Pecopteris clintoni • †Pecopteris dentata • †Pecopteris lesquereuxii • †Pecopteris pseudovestita • †Pecopteris unita • †Pelicephalus • †Pelicephalus lochmani – type locality for species • †Pentamerella • †Pentamerella fultonensis • †Pentamerella laeviscula • †Pentamerella magna • †Pentamerella multicostella • †Pentamerella rugosa • †Pentamerella subarata • †Perditocardinia • †Perditocardinia dubia – or unidentified comparable form • †Perexigupyge • †Perexigupyge chouteauensis – type locality for species • †Permophorus • †Permophorus tropidophorus • †Pernopecten • †Pernopecten attenuatus • †Pernopecten ohioensis • †Peruniscus • †Peruniscus macer • †Petrocrania • †Petrocrania familica • †Petrocrania modesta • †Petrodus • †Pharkidonotus • †Pharkidonotus percarinatus • †Phestia • †Phestia diversoides • †Phestia spatulata • †Philhedra • †Phillipsia – tentative report • †Pholidostrophia • †Pholidostrophia iowensis • †Phragmolites • †Phragmolites fimbriata • †Phragmolites multinotatus • †Phricodothyris • †Phthanocoris – type locality for genus • †Phthanocoris occidentalis – type locality for species • †Phymatopleura • †Phymatopleura nodosa • †Pilosisporites • †Pilosisporites aculeolatus • alga †Pinnularia'' • †Pionodema • †Pionodema subaequata • †Pisocrinus • †Pisocrinus glabellus • †Pisocrinus gorbyi • †Pisocrinus quinquelobus • †Pisocrinus spatulatus • †Pisocrinus tentative reportsp. nov. 1 – informal • †Pisocrinus tentative reportsp. nov. 2 – informal • †Plagioglypta • †Platyceras'' • †Platyceras encloides – type locality for species • †Platyceras evolutus – type locality for species • †Platyceras glenparkensis – type locality for species • †Platyceras paralium • †Platyceras pulcherrimum • †Platyconcha • †Platyconcha crenimarginis – type locality for species • †Platycrinus • †Platycrinus dodgei • †Platyfundocrinus • †Platyfundocrinus typus • †Plectambonites • †Plectambonites sericeus • †Plectodina • †Plectodina edentula • †Plectospira • †Plectospira raricosta • †Plethopeltis • †Plethospira • †Plethospira arenaria – or unidentified comparable form • †Plethospira cannonensis – or unidentified related form • †Plethospira cassina – or unidentified related form • †Plethospira extensa – type locality for species • †Pleurocystites'' • †Pleurocystites filitextus • †Pleurophorus • †Pleurophorus occidentalis • †Plicochonetes • †Plicochonetes glenparkensis – tentative report • †Plocezyga • †Plocezyga abolescens • †Plocezyga angularis – type locality for species • †Plocezyga convertacostata – type locality for species • †Plocezyga corona – type locality for species • †Plocezyga percostata – type locality for species • †Plocezyga tenuilirata – type locality for species • †Plocezyga tenuis – type locality for species • †Plumalina • †Plumalina gracilis • †Pojetaconcha • †Pojetaconcha limatula – type locality for species • †Polidevcia • †Polidevcia bellistriata • †Polygnathus • †Polygnathus communis • †Polyplacognathus • †Polyplacognathus ramosus • †Polypora • †Polytoechia • †Polytryphocycloides • †Ponumia – tentative report • †Porocrinus • †Porocrinus petersenae • †Poteriocrinus • †Poteriocrinus jeffriesi • †Potonieisporites • †Potosiplina – type locality for genus • †Potosiplina delorensis – type locality for species • †Praepatokephalus • †Praepleurocystites • †Praepleurocystites watkinsi – tentative report • †Primitia • †Primitia type locality for species 1 – informal • †Primitia type locality for species 2 – informal • †Prioniodus • †Prioniodus cacti – type locality for species • †Prioniodus dactylodus – type locality for species • †Prioniodus galesburgensis – type locality for species • †Prismostylus • †Prismostylus fibratum • †Productella • †Productella callawayensis • †Productella subalata • †Productina • †Productina sampsoni • †Proetides • †Proetides colemani • †Proetides strattonporteri • †Proetus'' • †Proetus canalis • †Proetus missouriensis • †Proetus tenuituberculus • †Prokopicrinidae • †Prolecanites – tentative report • †Promytilus • †Promytilus annosus • †Proplina • †Proplina arcua – type locality for species • †Proplina cornutaformis • †Proplina elongata – type locality for species • †Proplina grandis – tentative report • †Proplina inflatus – type locality for species • †Proplina meramecensis – type locality for species • †Proplina sibelius – type locality for species • †Proplina suttoni – type locality for species • †Proteroconus – type locality for genus • †Proteroconus eminense – type locality for species • †Protocanites • †Protocanites louisianensis • †Protocycloceras • †Protocycloceras doniphorense • †Pseudagnostus • †Pseudagnostus communis • †Pseudoatrypa • †Pseudoatrypa missouriensis • †Pseudobigalea – type locality for genus • †Pseudobigalea crista – type locality for species • †Pseudomonotis • †Pseudomonotis equistriata • †Pseudopolygnathus • †Pseudopolygnathus multistriatus • †Pseudorthoceras • †Pseudorthoceras knoxense • †Pseudosaratogia • †Pseudosaratogia lata • †Pseudosyrinx • †Pseudosyrinx missouriensis • †Pseudozygopleura – type locality for genus • †Pseudozygopleura acuminata – type locality for species • †Pseudozygopleura assertonsoris – type locality for species • †Pseudozygopleura condrai – type locality for species • †Pseudozygopleura conica – type locality for species • †Pseudozygopleura deloi – type locality for species • †Pseudozygopleura eucharis – type locality for species • †Pseudozygopleura funis – type locality for species • †Pseudozygopleura leveneae – type locality for species • †Pseudozygopleura macra – type locality for species • †Pseudozygopleura moorei – type locality for species • †Pseudozygopleura nana – type locality for species • †Pseudozygopleura nigra – type locality for species • †Pseudozygopleura obtusicacuminis – type locality for species • †Pseudozygopleura pagoda – type locality for species • †Pseudozygopleura perversa – type locality for species • †Pseudozygopleura plummeri – type locality for species • †Pseudozygopleura pluricostata – type locality for species • †Pseudozygopleura praeacuta – type locality for species • †Pseudozygopleura pulchra – type locality for species • †Pseudozygopleura pupa – type locality for species • †Pseudozygopleura recticostata – type locality for species • †Pseudozygopleura restis – type locality for species • †Pseudozygopleura rothi – type locality for species • †Pseudozygopleura schucherti – type locality for species • †Pseudozygopleura scitula • †Pseudozygopleura semicostata • †Pseudozygopleura sinuosior – type locality for species • †Pseudozygopleura tenuivirga – type locality for species • †Pseudozygopleura terebra – type locality for species • †Pseudozygopleura teres – type locality for species • †Pseudozygopleura werneri – type locality for species • †Psilocamara • †Psilocamara renfroarum • of northeastern Ohio. †Pteridosperm • †Pterocephalia • †Pterocephalia sanctisabae • †Pterocephalia sanetisabae • †Pterotheca • †Pterotheca expansa • †Pterotheca triangularis • †Ptychopleurella • †Ptychopleurella rugiplicata • †Ptychopyge • †Ptychtodus • †Ptychtodus calceolus • †Ptyctodus'' • †Ptyctodus calceolus • †Ptylopora • †Pugnoides – report made of unidentified related form or using admittedly obsolete nomenclature • †Pugnoides boonensis • †Pulchricapitus • †Pulchricapitus davis – type locality for species • †Punctatisporites • †Punctatisporites edgarensis – or unidentified comparable form • †Punctatisporites flavus • †Punctatisporites glaber • †Punctatisporites minutus • †Punctatisporites obesus • †Punctatosporites • †Punctatosporites minutus • †Punctospirifer • †Punctospirifer acutus – type locality for species • †Punctospirifer kentuckensis • †Punctospirifer schucherti • †Puntatosporites • †Puntatosporites minutus • †Pustula • †Pustula arctifossa • †Pycnoceras • †Pycnoceras clausum • †Pycnoceras rotundatum • †Pyrgozyga • †Pyrgozyga warthini – type locality for species ==Q==

• †Rafinesquina • †Rafinesquina jeffersonensis • †Rafinesquina latisculptilis • †Rafinesquina stropheodontoides • †Raistrickia • †Raistrickia abdita • †Raistrickia aculeata • †Raistrickia breveminens • †Raistrickia carbondalensis • †Raistrickia crinita • †Raistrickia crocea • †Raistrickia subcrinita • †Receptaculites'' • †Receptaculites cornutiformis • †Remopleurides • †Remopleurides missouriensis • †Resserella • †Resserella brownsportensis • †Reticularia • †Reticularia cooperensis – or unidentified related form • †Reticulatia • †Reticulatia huecoensis • †Reticulatia tiawahensis • †Reticulatisporites • †Reticulatisporites muricatus • †Reticulatisporites reticulatus • †Retispira • †Retispira nodulifera – type locality for species • †Retispira tenuilineata • †Retispira textiliformis – type locality for species • †Rhabdotocochlis – type locality for genus • †Rhabdotocochlis rugata – type locality for species • †Rhacopea • †Rhipidomella • †Rhipidomella carbonaria • †Rhipidomella cuneata • †Rhipidomella diminutiva • †Rhipidomella missouriensis • †Rhombopora • †Rhopalonaria – tentative report • †Rhynchopora • †Rhynchopora hamburgensis • †Rhynchopora persinuata – or unidentified related form • †Rhynchopora rowleyi • †Rhynchotetra • †Rhynchotetra gibbosum • †Rhytimya • †Richterella • †Richterella hessleri – type locality for species • †Robustum – type locality for genus • †Robustum nodum – type locality for species • †Robustum phallerium – type locality for species • †Rota • †Rota martini • †Rotaia • †Rotoides • †Rotoides imperforata • †Rotoides tretomesota • †Rowleyella • †Rowleyella fabulites • †Ruedemannia • †Ruedemannia humilis – type locality for species • †Rugosochonetes • †Rugosochonetes burlingtonensis – or unidentified related form • †Rugosochonetes multicosta ==S==

• †Saratogia – tentative report • †Scaevogyra • †Scaevogyra swezeyi • †Sceptaspis • †Sceptaspis lincolnensis – type locality for species • †Schellwienella • †Schellwienella planumbona – or unidentified comparable form • †Schizodus • †Schizodus affinis • †Schizodus amplus • †Schizopea – type locality for genus • †Schizopea abrupta – type locality for species • †Schizopea elevata – type locality for species • †Schizopea grandis • †Schizopea normalis – type locality for species • †Schizopea subrotunda • †Schizopea transitans – type locality for species • †Schizopea typica • †Schizophoria • †Schizophoria laudoni • †Schizophoria postriatula • †Schizophoria striatula • †Schuchertella • †Schuchertella arctostriata • †Schuchertella hardinensis • †Schuchertella iowensis • †Schuchertella lens • †Schuchertella louisianensis – type locality for species • †Schuchertella propinqua • †Sciadiocrinus • †Sciadiocrinus plautus – type locality for species • †Sedenticellula • †Sedenticellula hamburgensis • †Selenella • †Selenella pediculus • †Setigerites – tentative report • †Shansiella • †Shansiella broadheadi • †Shansiella carbonaria • †Shelbyoceras – type locality for genus • †Shelbyoceras bigpineyensis – type locality for species • †Shelbyoceras robustum – type locality for species • †Shumardella • †Shumardoceras • †Shumardoceras complanatum • †Shumardoceras fragile • †Shumardoceras taneyense • †Sigillaria'' • †Sinuopea • †Sinuopea basiplanata – type locality for species • †Sinuopea cingulata – type locality for species • †Sinuopea emminencis • †Sinuopea sweeti • †Sinuopea vera • †Skenidioides • †Skenidioides henryhousensis – or unidentified comparable form • Solemya • †Solemya radiata • †Solemya trapezoides • †Soleniscus • †Soleniscus klipparti • †Soleniscus primigenius • †Soleniscus primogenia • †Soleniscus primogenius • †Soleniscus regularis • †Soleniscus typicus • †Spathella • †Spathella typica • †Spathognathodus • †Spathognathodus pulcher • †Sphaerocoryphe • †Sphaerocoryphe arachniformis • †Sphenolium • †Sphenophyllum'' • †Sphenophyllum cunefolium • †Sphenophyllum emarginatum • †Sphenophyllum fasciculatum • †Sphenophyllum longifolium • †Sphenophyllum majus • †Sphenopteris • †Sphenopteris lacoei • †Sphenopteris macilenta • †Sphenopteris mixta • †Sphenopteris obtusiloba • †Sphenosphaera • †Sphenosphaera capax • †Spinatrypa • †Spinatrypa bellula • †Spinatrypa spinosa • †Spinocyrtia • †Spinocyrtia euryteines • †Spinosporites • †Spinosporites exiguus • †Spirifer'' • †Spirifer forbesi • †Spirifer lousianensis • †Spirifer marionensis • †Spirifer opimus • †Spirifer rockymontanus • †Spirifer rowleyi • †Spirodentalium • †Spirodentalium walcotti – tentative report • Spiropteris • Spirorbis'' • †Spirorbis kinderhookensis • †Spirorbis kinderhookiensis • †Spyroceras • †Spyroceras bilineatum • †Stacheoides • †Stegacanthia • †Stegacanthia bowsheri – or unidentified related form • †Stegerhynchus • †Stegerhynchus antiqua • †Stegerhynchus concinna • †Stegocoelia • †Stegocoelia missouriensis • †Stenopilus • †Stenopilus latus • †Stenoscisma • †Stenoscisma pikensis – type locality for species • †Stephanozyga • †Stephanozyga nodosa – type locality for species • †Stephanozyga subnodosa – type locality for species • †Straparollina • †Straparollina basicarinata – type locality for species • †Straparollina cassina – type locality for species • †Straparollina perangulata • †Straparollina turgida – tentative report • †Streblochondria – tentative report • †Streblochondria infelix • †Streblochondria tenuilineata • †Streblotrypa • †Strepsodiscus • †Strepsodiscus major • †Strepsodiscus paucivoluta • †Streptacis • †Streptacis meeki – type locality for species • †Streptacis scalpta – type locality for species • †Streptacis whitfieldi • †Streptelasma • †Streptelasma corniculum – tentative report • †Streptelasma subregulare • †Streptognathodus • †Streptognathodus chanutensis – type locality for species • †Streptognathodus clarki – type locality for species • †Streptognathodus clavatulus – type locality for species • †Streptognathodus corrugatus – type locality for species • †Streptognathodus curvatus – type locality for species • †Streptognathodus holmesi – type locality for species • †Streptognathodus minutus – type locality for species • †Streptognathodus multinodosus – type locality for species • †Streptognathodus rugosus – type locality for species • †Streptognathodus ruidus – type locality for species • †Streptognathodus spatulatus – type locality for species • †Streptognathodus strigillatus – type locality for species • †Streptognathodus subdivisus – type locality for species • †Streptognathodus sulcatus – type locality for species • †Streptognathodus sulciferus – type locality for species • †Streptorhynchus • †Streptorhynchus tenuicostatum – or unidentified related form • †Strobeus • †Strobeus brevis • †Strobeus intercalaris • †Strobeus paludinaeformis • †Strobeus welleri – type locality for species • †Strophodonta • †Strophodonta demissa • †Strophomena'' • †Strophomena boonensis • †Strophomena callawayensis • †Strophomena cayuta • †Strophomena cedarensis • †Strophomena cymbiformis • †Strophomena dorsata • †Strophomena equicostata • †Strophomena halli • †Strophomena incurvata • †Strophomena inflexa • †Strophomena interstrialis • †Strophomena iowensis • †Strophomena linderi • †Strophomena littletonensis • †Strophomena navalis • †Strophomena nortoni • †Strophomena parvis • †Strophomena satterfieldi – type locality for species • †Strophonella • †Stylocyrtoceras • †Stylocyrtoceras avaense • †Subglobosochonetes • †Subglobosochonetes jerseyensis • †Subprioniodus • †Subulites • †Subulites conradi • †Sulcocephalus • †Sulcocephalus candidus • †Synbathocrinus • †Synbathocrinus melba – or unidentified comparable form • †Synprioniodina • †Syntrophina • †Syntrophina campbelli • †Syntrophina missouriensis • †Syringothyris • †Syringothyris extenuata • †Syringothyris hannibalensis • †Syringothyris newarkensis ==T==

• †Tabulipora • †Taenicephalus • †Taenicephalus nasuta • †Taenicephalus shumandi • †Taenicephalus shumardi • †Tarphyceras • †Tarphyceras chadwickense • †Technophorus • †Technophorus bellistriatus – type locality for species • †Teiichispira • †Teiichispira odenvillensis • †Teiichispira ponderosa • †Temnocheilus • †Temnocheilus harneri • †Thalamocrinus • †Thalamocrinus ovalis • †Thaleops • †Thaleops depressicapitata • †Thuroholia • †Thuroholia croneisi • †Thuroholia spicatus • †Thymospora • †Thymospora pseudothiessenii • †Titanoplina – type locality for genus • †Titanoplina meramecensis – type locality for species • †Trachydomia • †Trachydomia nodosa • †Trachydomia oweni • †Trematis • †Trematis foerstei • †Trematis huronensis • †Trepospira • †Trepospira depressa • †Trepospira minima – type locality for species • †Tricrepicephalus'' • †Triquitrites • †Triquitrites additus • †Triquitrites bransonii • †Triquitrites crassus • †Triquitrites protensus • †Triquitrites spinosus • †Troosticrinus • †Troosticrinus minimus • †Trophocrinus • †Trophocrinus corpulentus – type locality for species • †Trophocrinus exsertus – type locality for species • . Head region is to the left. †Tryblidium'' • †Tryblidium rugosum – type locality for species • †Tuberculatosporites • †Tuberculatosporites robustus • †Turritoma • †Turritoma acrea • †Tylothyris • †Tylothyris missouriensis • †Tylothyris subvaricosa ==U==

• †Ulrichoconus – type locality for genus • †Ulrichoconus bonneterrense – type locality for species ==V==